An Interval Parametric Approach for the Solution of One Dimensional Generalized Thermoelastic Problem

  • سال انتشار: 1401
  • محل انتشار: فصلنامه مکانیک جامد، دوره: 14، شماره: 1
  • کد COI اختصاصی: JR_JSMA-14-1_005
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 130
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نویسندگان

S Mandal

Department of Mathematics, Sitananda College, Nandigram, Purba Medinipur-۷۲۱۶۳۱, India ---Department of Mathematics, IIEST, Shibpur, Howrah-۷۱۱۱۰۳, India

S Pal Sarkar

Department of Mathematics, IIEST, Shibpur, Howrah-۷۱۱۱۰۳, India

T Kumar Roy

Department of Mathematics, IIEST, Shibpur, Howrah-۷۱۱۱۰۳, India

چکیده

This paper is presenting the solutions of the one dimension generalized thermo-elastic coupled equations by considering some thermo-elastic constants as interval numbers. As most of the elastic constants are obtained using the experimental methods. Thus there might be some deficiency of exactness to obtain such constants. This kind of deficiency might cause the results on a micro-scale.  L-S model has been considered to study the effect of such an interval parametric approach to generalized thermoelasticity. Laplace transform method applied to obtain a system of coupled ordinary differential equations. Then the vector-matrix differential form is used to solve these equations by the eigenvalue approach in Laplace transformed domain. The solution in the space-time domain obtained numerically. The numerical solutions obtained by using some suitable inverse transformation method. The solutions are graphically represented for different values of the parameter of interval parametric form and the significance of obtained results are described along with the behavior of the solutions.

کلیدواژه ها

Eigen value, Generalized thermoelasticity, Interval number, Laplace transformation, Vector matrix differential equation

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